Raman Scattering in ZnTe
作者:
J. C. Irwin,
J. LaCombe,
期刊:
Journal of Applied Physics
(AIP Available online 1970)
卷期:
Volume 41,
issue 4
页码: 1444-1450
ISSN:0021-8979
年代: 1970
DOI:10.1063/1.1659054
出版商: AIP
数据来源: AIP
摘要:
The Raman spectrum of ZnTe has been investigated. The fundamental frequencies have been found to bev¯LO=208.3±0.5 cm−1andv¯TO= 177.5±0.5 cm−1. The temperature variation ofv¯LOhas been examined between room temperature and 4°K. The zone boundary frequencies at the critical pointsX, L, andWhave been estimated from the second‐order Raman spectrum. In determining these frequencies a theoretical model was used to assist in the assignment of the frequencies and as a check on the consistency of the results. The values obtained were further checked using regularities previously observed in the phonon spectra of zinc‐blende semiconductors.
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